From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10F2AC43387 for ; Thu, 20 Dec 2018 09:44:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D592620811 for ; Thu, 20 Dec 2018 09:44:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545299051; bh=d7zuORbV7VBZkl5nixjUAUF6XdIKcUkic3HUbuiWKmk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=pqMzSzdHtK4HKIa0YtRxi8yS+hNS7Et3BLhYQ3MuPDogOvM0+vI2GBS7Z3iq1uzhI ZgJERyCFLKFJqSSsai6AMHGiiq/GfuivNjDtsFjSumXMUBeVQfGpsPjjtkxxQHQx5H WReJiydH2lDOx/s/9NhRdVaLgKXvQJ1652pUozp4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387479AbeLTJoK (ORCPT ); Thu, 20 Dec 2018 04:44:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:40154 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731246AbeLTJWD (ORCPT ); Thu, 20 Dec 2018 04:22:03 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 69A2621720; Thu, 20 Dec 2018 09:22:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545297722; bh=d7zuORbV7VBZkl5nixjUAUF6XdIKcUkic3HUbuiWKmk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=unCGGo79ZI7NZ/emRMzmX9HvWnGqiElCf/iWoILXLNqe59RSoY5pltxLG8UZ0oSgz KQPlaE9PZjMZ/8bdTC4JLhUkBbEoGOffJJ1+96lW9BIraj6VFfVxoi4SyZJh7EJdKH Q3B2ly86kZ4swGGqslB3XD/VPqoayUIlFAhJpmlY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Martin K. Petersen" , Juha-Matti Tilli , Jens Axboe , Sasha Levin Subject: [PATCH 4.4 32/40] libata: whitelist all SAMSUNG MZ7KM* solid-state disks Date: Thu, 20 Dec 2018 10:18:44 +0100 Message-Id: <20181220085827.739714754@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20181220085826.212663515@linuxfoundation.org> References: <20181220085826.212663515@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit fd6f32f78645db32b6b95a42e45da2ddd6de0e67 ] These devices support read zero after trim (RZAT), as they advertise to the OS. However, the OS doesn't believe the SSDs unless they are explicitly whitelisted. Acked-by: Martin K. Petersen Signed-off-by: Juha-Matti Tilli Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- drivers/ata/libata-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index ba514fa733de..d543172b20b3 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4297,6 +4297,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "SSD*INTEL*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Samsung*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "SAMSUNG*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }, + { "SAMSUNG*MZ7KM*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "ST[1248][0248]0[FH]*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }, /* -- 2.19.1